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CITRIC ACID

Commercial pH reducer

Citric acid (C6H8O7) is a commercial chemical used to reduce pH, precipitate soluble calcium and sequester iron. It is used to reduce pH and remove calcium when drilling cement, to reduce the potential of cross linking polymers (xanthan and others) from iron and to prevent fish‐eyes when mixing polymers. Citric acid is an organic acid and is less reactive than sulfuric or hydrochloric acid, thereby being somewhat safer to handle.

Citric acid is used to reduce pH and remove calcium when treating cement contamination.

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